19976040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7927}}^1$

素因数の和:7951

約数の個数: 96

約数和(自身を含む): 74206080

約数和(自身を除く): 54230040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7927, 15854, 23781, 31708, 39635, 47562, 55489, 63416, 71343, 79270, 95124, 110978, 118905, 142686, 158540, 166467, 190248, 221956, 237810, 277445, 285372, 317080, 332934, 356715, 443912, 475620, 499401, 554890, 570744, 665868, 713430, 832335, 951240, 998802, 1109780, 1331736, 1426860, 1664670, 1997604, 2219560, 2497005, 2853720, 3329340, 3995208, 4994010, 6658680, 9988020, 19976040]

約数ペア:

[(1, 19976040), (2, 9988020), (3, 6658680), (4, 4994010), (5, 3995208), (6, 3329340), (7, 2853720), (8, 2497005), (9, 2219560), (10, 1997604), (12, 1664670), (14, 1426860), (15, 1331736), (18, 1109780), (20, 998802), (21, 951240), (24, 832335), (28, 713430), (30, 665868), (35, 570744), (36, 554890), (40, 499401), (42, 475620), (45, 443912), (56, 356715), (60, 332934), (63, 317080), (70, 285372), (72, 277445), (84, 237810), (90, 221956), (105, 190248), (120, 166467), (126, 158540), (140, 142686), (168, 118905), (180, 110978), (210, 95124), (252, 79270), (280, 71343), (315, 63416), (360, 55489), (420, 47562), (504, 39635), (630, 31708), (840, 23781), (1260, 15854), (2520, 7927)]